linux-kernel - Re: [RFC PATCH] x86: Add safe_udelay() and safe

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Date:	Thu, 13 Jan 2011 16:44:28 -0800
From:	Greg KH <greg@...ah.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Jason Wessel <jason.wessel@...driver.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Christoph Lameter <cl@...ux.com>, Tejun Heo <tj@...nel.org>
Subject: Re: [RFC PATCH] x86: Add safe_udelay() and safe_msleep()

On Thu, Jan 13, 2011 at 04:31:04PM -0800, Yinghai Lu wrote:
> there are some udelay() in drivers/usb/early/ehci-dbgp.c
> 
> that is for early USB debug port console support.
> 
> We should replace them with early version udelay()

Again, I fail to see why.  They work fine today, right?

You _really_ need to prove what you are trying to do here, with lots of
details and descriptions of what the problem is, as it's getting a bit
annoying...

thanks,

greg k-h
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